import java.util.zip.Adler32;
import java.util.zip.Checksum;
public class Main {
public static void main(String[] argv) throws Exception {
byte[] bytes = "some data".getBytes();
Checksum checksumEngine = new Adler32();
checksumEngine.update(bytes, 0, bytes.length);
long checksum = checksumEngine.getValue();
}
}